210342004 has 6 divisors (see below), whose sum is σ = 368098514. Its totient is φ = 105171000.

The previous prime is 210341941. The next prime is 210342007. The reversal of 210342004 is 400243012.

It can be written as a sum of positive squares in only one way, i.e., 200165904 + 10176100 = 14148^2 + 3190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210342007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26292747 + ... + 26292754.

Almost surely, 2^210342004 is an apocalyptic number.

It is an amenable number.

210342004 is a deficient number, since it is larger than the sum of its proper divisors (157756510).

210342004 is a wasteful number, since it uses less digits than its factorization.

210342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52585505 (or 52585503 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210342004 is about 14503.1722047282. The cubic root of 210342004 is about 594.7146940896.

Adding to 210342004 its reverse (400243012), we get a palindrome (610585016).

The spelling of 210342004 in words is "two hundred ten million, three hundred forty-two thousand, four".